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<div class="subTitle">org.apache.tamaya.spi</div>
<h2 title="Interface PropertySourceProvider" class="title">Interface PropertySourceProvider</h2>
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<pre>public interface <span class="typeNameLabel">PropertySourceProvider</span></pre>
<div class="block"><p>Implement this interfaces to provide a PropertySource provider which
is able to register multiple PropertySources. This is e.g. needed if
there are multiple property files of a given config file name.</p>
<p>If a PropertySource like JNDI only exists once, then there is no need
to implement it via the PropertySourceProvider but should directly
expose a <a href="../../../../org/apache/tamaya/spi/PropertySource.html" title="interface in org.apache.tamaya.spi"><code>PropertySource</code></a>.</p>
<p>A PropertySourceProvider will get picked up via the
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<td class="colFirst"><code>static <a href="../../../../org/apache/tamaya/spi/PropertySourceProvider.html" title="interface in org.apache.tamaya.spi">PropertySourceProvider</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/tamaya/spi/PropertySourceProvider.html#EMPTY">EMPTY</a></span></code>
<div class="block">A resusable instance of an empty PropertySource.</div>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/tamaya/spi/PropertySource.html" title="interface in org.apache.tamaya.spi">PropertySource</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/tamaya/spi/PropertySourceProvider.html#getPropertySources--">getPropertySources</a></span>()</code>&nbsp;</td>
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<pre>static final&nbsp;<a href="../../../../org/apache/tamaya/spi/PropertySourceProvider.html" title="interface in org.apache.tamaya.spi">PropertySourceProvider</a> EMPTY</pre>
<div class="block">A resusable instance of an empty PropertySource.</div>
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<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../org/apache/tamaya/spi/PropertySource.html" title="interface in org.apache.tamaya.spi">PropertySource</a>&gt;&nbsp;getPropertySources()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>For each e.g. property file, we return a single PropertySource
or an empty list if no PropertySource exists.</dd>
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